Date & time
Ages, gaps between dates, shifting a date forward or back, hours between two times, and countdowns. All worked on the ordinary Gregorian calendar.
Age calculator
Your exact age, and when the next birthday lands
15 March 1994 to 1 January 202732 years, 9 months and 17 days
Date difference calculator
How long between two dates, counted several ways
1 Jan to 25 Dec 2026358 days, 256 working days
Date add / subtract calculator
A date shifted forward or back
1 Sep 2026 plus 90 days30 November 2026, a Monday
UK ILR absence checker
Every rolling 12 months, not just each year
150 days late one year, 150 early the next300 in one window, over the limit
Time duration calculator
Hours and minutes between two times
09:00 to 17:308h 30m, or 8.5 hours
Countdown calculator
Days, hours and seconds until a date you choose
Until 1 January 2027A Friday, counted to the second